<template>
  <view>
    <view class="my-search-box">
       <my-search @click="gotoSearch" ></my-search>
    </view>
   
    <!-- 轮播图效果 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <!-- 循环渲染轮播图的item项 -->
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_details/goods_details?item.goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航栏 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    <!-- 楼梯显示 -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <!-- title -->
        <image :src="item.floor_title.image_src"  class="floor-item-title"></image>
        <!-- 图片 -->
        <view class="floor-img-box" >
          <!-- 左侧一个大盒子 -->
          <navigator  :url="item.product_list[0].url" class="left-img-box">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}"
              mode="widthFix"></image>
          </navigator>
          <!-- 右侧四个小盒子 -->
          <view class="right-img-box" >
            <navigator :url="item2.url" class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0">
              <image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //轮播图数组
        swiperList: [],
        //分类导航
        navList: [],
        //楼层数组
        floorList: [],
      };
    },
    onLoad() {
      this.getSwiperLists()
      this.getNavLists()
      this.getFloorLists()
    },
    methods: {
      async getSwiperLists() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // console.log(res)
        //请求失败
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.swiperList = res.message
      },
      async getNavLists() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        //请求失败
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.navList = res.message
      },
      async getFloorLists() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        res.message.forEach(floor =>{
          floor.product_list.forEach(prod =>{
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      navClickHandler(item) {
        if (item.name === '分类') {
          uni.switchTab({
            url: '../cate/cate'
          })
        }
      },
      gotoSearch(){
        uni.navigateTo({
          url:'../../subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;
  }

  .swiper-item,
  image {
    width: 100%;
    height: 100%;
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;

    .nav-item {
      width: 128rpx;
      height: 140rpx;
    }
  }
  .floor-item-title {
    width: 100%;
    height: 60rpx;
    display: flex;
  }
  
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
  .my-search-box {
    //吸顶效果
    position: sticky;
    top: 0;
    z-index: 999;
  }
</style>
